BirdAnalyst
Species · BCR 26 · BBS 2025 Release · 1966–2024

Great Egret In Mississippi Alluvial Valley

All regionsMississippi Alluvial ValleyWetland birds

Great Egret in Mississippi Alluvial Valley has surged: up 445% on the route-weighted index since 1969.

+445%Since 1969
67Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Great Egret has surged in Mississippi Alluvial Valley: up 445% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Great Egret in Mississippi Alluvial Valley is projected to rise about 169% by 2029 — from 7.5 in 2024 to a central estimate of 20 (95% range 6.0–34). A 5-year backtest shows a typical error of ±190%, with 20% of held-out values landing inside the 95% band.

+169%Change by 2029
20Projected 2029 index
6.0–3495% range
±190%Backtest error
19672029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
2025194.933
2026195.233
2027205.534
2028205.734
2029206.034

Routes In Mississippi Alluvial Valley

Routes recording Great Egret in Mississippi Alluvial Valley.
DeventerMISSOURI1992019
RamahLOUISIANA722024
Morgan CityLOUISIANA521986
Panther Swamp NwrMISSISSIPPI332018
River RoadLOUISIANA322024
Eagle LakeMISSISSIPPI292024
Tchula 2MISSISSIPPI271994
IsolaMISSISSIPPI222022
TallahatchieMISSISSIPPI192024
BerwickLOUISIANA182018
HaytiMISSOURI182021
WilsonARKANSAS162022
FrogmoreLOUISIANA152024
South BendARKANSAS122023
Tensas NwrLOUISIANA122024
PawpawTENNESSEE122012
KraemerLOUISIANA112024
TchulaMISSISSIPPI111971
Morgan CityLOUISIANA102022
Pawpaw 2TENNESSEE102023
LaroseLOUISIANA91992
KeystoneLOUISIANA82013
RayvilleLOUISIANA82008
Tchula 3MISSISSIPPI82024
KennettMISSOURI82023

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.